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*The Angi rating for Radon Detection And Reduction companies in Julian, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Radon Detection And Reduction needs.

*The HomeAdvisor rating for Radon Detection And Reduction companies in Julian, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Radon Detection And Reduction needs.

Last update on October 08, 2026

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Avatar for San Diego Abatement Services
San Diego Abatement Services
4.5(
41
)
Radon Gas - AbatementRadon Gas - Testing

Serving Julian, CA and surrounding areas

Approved

In business since 1985

Emergency services offered

Warranties offered

"In the middle of having my flooring installed, we discovered that I had asbestos in my kitchen and bathroom- the flooring installers walked out of the job immediately. I had 3 companies come and give me bids. San Diego Abatement Services was the most professional and knowledgeable. They scheduled the job the day after I called. They were polite, efficient, and did exactly what they promised to do. They were not the least expensive- but my confidence in a perfect job and the safety of my home was more important. They sent me the certificate of a clean air test so I can now finish my floors!"
Exterior Painting
Before - Acoustic Ceiling
After - Scraped & Textured
Asbestos Removal
Lead Removal Services

+2

Response time2 days
Response rate100%
2 neighbors recently requested a quote
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Radon Detection and Reduction questions, answered by experts

If high radon levels are detected, steps include sealing entry points, installing a mitigation system, and retesting the air regularly to ensure reduced levels.

No, air purifiers are not an effective way to reduce or remove radon. Radon is a radioactive, inert gas that cannot be filtered by standard air purifiers, which are designed to capture particulates like dust and mold. While an air purifier can improve indoor air quality by removing other pollutants, it should not be relied upon for radon. The only effective solution for high radon levels is a dedicated radon mitigation system.

Yes, many systems include warranties for performance. Confirm terms with your installer.

Keeping radon from getting into your home is much better than having to get rid of it once it's already indoors. While there may not be a way to fully prevent radon from getting into your home, there are things you can do to reduce the gas's ability to enter. 

Sealing foundation cracks and openings can help keep the gas from seeping inside. Improving air flow, such as by opening windows, can also be helpful. If you're building your home from scratch, talk to your contractor about using radon-resistant construction to keep the gas out.

A homeowner can install a radon mitigation system on their own. But it’s a challenging DIY that requires a lot of knowledge about radon mitigation as well as familiarity with local regulations. You do not want to risk an improper installation that leaves the system unable to detect radon or gives it a shortened life span. Relying on a professional is the surest way to guarantee a successful installation.

The Julian, CA homeowners’ guide to radon detection and reduction services

From average costs to expert advice, get all the answers you need to get your job done.

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